Structure of the unique gateway (IMAGE) University of Melbourne Caption The structure with the transmembrane regions in blue, the energy driving domains in pink and the membrane lipids as pale grey with pale orange heads. The yellow 'blobs' represent the position of the gating residues in the pathway. Credit Hugo MacDermott-Opeskin, Megan O'Mara and Christopher McDevitt Usage Restrictions Only for this media release use License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.